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A Small Cosmological Constant and Backreaction of Non-Finetuned Parameters

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Published Article
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DOI: 10.1088/1126-6708/2003/09/016
arXiv ID: hep-th/0007233
Source
arXiv
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Abstract

We include the backreaction on the warped geometry induced by non-finetuned parameters in a two domain-wall set-up to obtain an exponentially small Cosmological Constant $\Lambda_4$. The mechanism to suppress the Cosmological Constant involves one classical fine-tuning as compared to an infinity of finetunings at the quantum level in standard D=4 field theory.

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